Hundreds of schools across Wales and southern parts of England are closed due to snow and icy conditions.
More than 500 schools are shut in Wales, with about 200 in Berkshire, 250 in Wiltshire and 300 in Buckinghamshire also closed.
There are yellow warnings in place for snow and ice in parts of England, Wales, Scotland and Northern Ireland.
Flights at Bristol Airport have been suspended while snow is cleared from the runway, reports BBC.
British Airways, which cancelled dozens of flights from Heathrow Airport on Friday morning, is advising customers to check their flight status.
Meanwhile, the Met Office has warned of "treacherous driving conditions" in some southern areas.
In Cornwall, more than 100 people spent the night at the Jamaica Inn pub after their cars became stuck on the A30.
On the trains, Transport for Wales expects some routes to be affected until 14:00, while Great Western Railway - which earlier warned of disruption until 12:00 - said a near normal service had resumed.
School closures include:
- Over 500 schools in Wales are closed as well as half the schools in Bristol
- Hundreds of schools across the regions which were affected by the Met Office's amber weather warning - which covered Buckinghamshire, Oxfordshire and Hampshire - are closed
- More than 150 schools in Cornwall and over 250 in Somerset are also shut
- In Scotland the closure of 17 schools and nurseries in the Highlands means 500 children will be getting a snow day
- Students at Callywith College in Bodmin were forced to stay overnight
Other disruption includes:
- Power cuts in part of the south of England have been reported
- Southeastern Trains has introduced a winter weather timetable for Friday morning
- Cardiff Airport is open but some flights have been cancelled affecting Rugby fans heading to this evening's France vs Wales Six Nations match in Paris
- Bournemouth Airport has reopened after being closed early on Friday morning
- Some bin and recycling collections have been cancelled across Wales and the south of England